Herbert V. Sperling

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Distinct spectrum of CFTR gene mutations in congenital absence of vas deferens

Tilo Dörk, B. Dworniczak, +13 authors Manfred Stuhrmann
Human Genetics
1997

Congenital absence of the vas deferens (CAVD) is a frequent cause for obstructive azoospermia and accounts for 1%–2% of male infertility. A high incidence of mutations of the cystic fibrosis… (More)

Impact of estrogen replacement therapy in a male with congenital aromatase deficiency caused by a novel mutation in the CYP19 gene.

Burkhard Lorenz Herrmann, Bernhard Saller, +5 authors Martina Broecker
The Journal of clinical endocrinology and…
2002

Recent reports of the impact of estrogen receptor alpha and aromatase deficiency have shed new light on the importance of estrogen for bone formation in man. We describe a novel mutation of the CYP19… (More)

The POTENT I randomized trial: efficacy and safety of an orodispersible vardenafil formulation for the treatment of erectile dysfunction.

Herbert V. Sperling, Frans M. J. Debruyne, Antonius Boermans, M. Beneke, Ernst Ulbrich, Silke Ewald
The journal of sexual medicine
2010

INTRODUCTION Orodispersible tablet (ODT) formulations offer improved convenience over film-coated formulations and are preferred by many patients. AIM To investigate the efficacy and safety of an… (More)

The undescended testis: diagnosis, treatment and long-term consequences.

Michael J. Mathers, Herbert V. Sperling, Herbert Ruebben, Stephan V Roth
Deutsches Arzteblatt international
2009

BACKGROUND The late descent of a testicle into the scrotum may impair its development. Reduced fertility is the main risk of primary cryptorchidism even after timely treatment, as histopathological… (More)

Does penile size in younger men cause problems in condom use? a prospective measurement of penile dimensions in 111 young and 32 older men.

T. Schneider, Herbert V. Sperling, Gerd Lümmen, J Syllwasschy, Herbert Ruebben
Urology
2001

OBJECTIVES Young men often complain about problems with condom use, but very little information exists about the influence of men's age on penile dimensions and therefore on possible problems in the… (More)

[Sachse internal urethrotomy. Is erectile dysfuction a possible complication?].

T. Schneider, Herbert V. Sperling, Gerd Lümmen, Herbert Ruebben
Der Urologe. Ausg. A
2001

Erectile dysfunction is reported to be a complication of direct-vision internal urethrotomy by some authors in 2.2-10.6% of cases. It is caused by injury to the cavernous nerve by direct severance… (More)

Efficacy and safety of an orodispersible vardenafil formulation for the treatment of erectile dysfunction in elderly men and those with underlying conditions: an integrated analysis of two pivotal…

Herbert V. Sperling, Marc Gittelman, Christiane Norenberg, Ernst Ulbrich, Silke Ewald
The journal of sexual medicine
2011

INTRODUCTION Men with erectile dysfunction (ED) are typically older and have one or more underlying cardiovascular conditions. AIM To determine the efficacy and safety of a new orodispersible… (More)

Sildenafil response is influenced by the G protein beta 3 subunit GNB3 C825T polymorphism: a pilot study.

Herbert V. Sperling, Andreas Eisenhardt, +8 authors Winfried Siffert
The Journal of urology
2003

PURPOSE Sildenafil is the oral phosphodiesterase-5 inhibitor that revolutionized treatment for erectile dysfunction. We investigated a potential association of the G protein beta 3 subunit (GNB3)… (More)

Patellar instability: treatment by arthroscopic electrosurgical lateral release.

Olga Sherman, J. M. Fox, +4 authors Richard D Ferkel
Arthroscopy : the journal of arthroscopic…
1987

We reviewed the results of arthroscopic lateral release using electrosurgery in 39 patients (45 knees) with a history of recurrent patellar subluxation or dislocation. The average follow-up time was… (More)

[Treatment and follow-up of patients with squamous epithelial carcinoma of the penis].

Gerd Lümmen, Herbert V. Sperling, M. Pietsch, Thomas Dan Otto, Herbert Ruebben
Der Urologe. Ausg. A
1997

Since squamous cell carcinoma of the penis is rare, prospective trials do not exist. Therefore, new treatment strategies have to be developed. Based on our experience with the treatment of 22… (More)

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